From eeb7991cba8853ca20d3c9a0f888bf83560c722f Mon Sep 17 00:00:00 2001
From: Christopher Jefferson <chris@bubblescope.net>
Date: Mon, 14 Feb 2011 10:29:12 +0000
Subject: [PATCH] libc++ has non-standard message_base

[SVN r68860]
---
 include/boost/config/stdlib/libcpp.hpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/boost/config/stdlib/libcpp.hpp b/include/boost/config/stdlib/libcpp.hpp
index 37f43b6e..db7f6f15 100644
--- a/include/boost/config/stdlib/libcpp.hpp
+++ b/include/boost/config/stdlib/libcpp.hpp
@@ -28,4 +28,7 @@
 #    define BOOST_NO_0X_HDR_TUPLE
 #endif
 
+// libc++ uses a non-standard messages_base
+#define BOOST_NO_STD_MESSAGES
+
 //  --- end ---